Article Publish Status: FREE
Abstract Title:

The mechanism of Naringin-enhanced remyelination after spinal cord injury.

Abstract Source:

Neural Regen Res. 2017 Mar ;12(3):470-477. PMID: 28469664

Abstract Author(s):

Wei Rong, Yong-Wei Pan, Xu Cai, Fei Song, Zhe Zhao, Song-Hua Xiao, Cheng Zhang

Article Affiliation:

Wei Rong


Our previous study revealed that intragastric administration of naringin improved remyelination in rats with spinal cord injury and promoted the recovery of neurological function of the injured spinal cord. This study sought to reveal the mechanisms by which naringin improves oligodendrocyte precursor cell differentiation and maturation, and promotes remyelination. Spinal cord injury was induced in rats by the weight-drop method. Naringin was intragastrically administered daily (20, 40 mg/kg) for 4 weeks after spinal cord injury induction. Behavioral assessment, histopathological staining, immunofluorescence spectroscopy, ultrastructural analysis and biochemical assays were employed. Naringin treatment remarkably mitigated demyelination in the white matter, increased the quality of myelinated nerve fibers and myelin sheath thickness, promoted oligodendrocyte precursor cell differentiation by upregulating the expression of NKx2.2 and 2'3'-cyclic nucleotide 3'-phosphodiesterase, and inhibitedβ-catenin expression and glycogen synthase kinase-3β (GSK-3β) phosphorylation. These findings indicate that naringin treatment regulates oligodendrocyte precursor cell differentiation and promotes remyelination after spinal cord injury through the β-catenin/GSK-3β signaling pathway.

Study Type : In Vitro Study

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